<script setup>
import {
    Edit,
    Delete
} from '@element-plus/icons-vue'
import { ref } from 'vue'
const categorys = ref([
    {
        "id": 3,
        "categoryName": "美食",
        "categoryAlias": "my",
        "createTime": "2023-09-02 12:06:59",
        "updateTime": "2023-09-02 12:06:59"
    },
    {
        "id": 4,
        "categoryName": "娱乐",
        "categoryAlias": "yl",
        "createTime": "2023-09-02 12:08:16",
        "updateTime": "2023-09-02 12:08:16"
    },
    {
        "id": 5,
        "categoryName": "军事",
        "categoryAlias": "js",
        "createTime": "2023-09-02 12:08:33",
        "updateTime": "2023-09-02 12:08:33"
    }
])
import {articleCategoryListService,articleCategoryAddService,articleCategoryUpdateService,articleCategoryDeleteService} from '@/api/article.js'
//声明异步函数，当页面加载完毕后去获取数据
const articleCategoryList=async ()=>{
    let result=await articleCategoryListService()
    categorys.value=result.data
    console.log(result.data)
}
articleCategoryList()

//控制添加分类弹窗
const dialogVisible = ref(false)

//添加分类数据模型
const categoryModel = ref({
    categoryName: '',
    categoryAlias: ''
})
//添加分类表单校验
const rules = {
    categoryName: [
        { required: true, message: '请输入分类名称', trigger: 'blur' },
    ],
    categoryAlias: [
        { required: true, message: '请输入分类别名', trigger: 'blur' },
    ]
}
import { ElMessage } from 'element-plus';
//调用接口，添加表单
const addCategory=async()=>{
    //调用接口
    let result=await articleCategoryAddService(categoryModel.value)
    ElMessage.success(result.message?result.message:"添加成功")

    //调用获取所有文章分类的函数,刷新一下页面
    articleCategoryList()

    dialogVisible.value=false//隐藏弹窗
}
//定义变量控制标题的展示，用于服用弹出的那个输入框
const title=ref('')

//展示编辑弹窗
const showDialog=(row)=>{
    dialogVisible.value=true//写在标签上不用.value,写在setup的内部就要加.value
    title.value='编辑分类'
    //数据拷贝,
    categoryModel.value.categoryName=row.categoryName
    categoryModel.value.categoryAlias=row.categoryAlias
    //拓展id属性，将来需要传递给后台，完成分类的修改
    categoryModel.value.id=row.id//注意虽然id没有显示，但是row里面是有id的，row应该和categorys这个数组数据模型中的一个数组项对应
}
//编辑分类
const updateCategory=async ()=>{
    //调用接口
    let result=await articleCategoryUpdateService(categoryModel.value)

    ElMessage.success(result.message?result.message:"修改成功")
    //调用获取所有文章分类
    articleCategoryList()
    dialogVisible.value=false
}
const clearData=()=>{
    categoryModel.value.categoryName=''
    categoryModel.value.categoryAlias=''
}
import { ElMessageBox } from 'element-plus';
//删除分类
const deleteCategory=(row)=>{
    //提示用户 确认框
    ElMessageBox.confirm(
        '你确认删除该分类信息吗？',
        '温馨提示',
        {
            confirmButtonText: '确认',
            cancelButtonText: '取消',
            type: 'warning',
        }
    )
        .then(async() => {
            //用户点击了确认
            //调用接口
            let result=await articleCategoryDeleteService(row.id)

            ElMessage({
                type: 'success',
                message: '删除成功',
            })
            //刷新列表
            articleCategoryList()
        })
        .catch(() => {
            //用户点击了取消
            ElMessage({
                type: 'info',
                message: '取消删除',
            })
        })
}
</script>
<template>
    <el-card class="page-container">
        <template #header>
            <div class="header">
                <span>文章分类</span>
                <div class="extra">
                    <el-button type="primary" @click="dialogVisible=true;title='添加分类';clearData()">添加分类</el-button>
                </div>
            </div>
        </template>
        <el-table :data="categorys" style="width: 100%">
            <el-table-column label="序号" width="100" type="index"> </el-table-column>
            <el-table-column label="分类名称" prop="categoryName"></el-table-column>
            <el-table-column label="分类别名" prop="categoryAlias"></el-table-column>
            <el-table-column label="操作" width="100">
                <!--这里的row表示当点击这一行的按钮时，这一行的数据-->
                <template #default="{ row }">
                    <el-button :icon="Edit" circle plain type="primary" @click="showDialog(row)"></el-button>
                    <el-button :icon="Delete" circle plain type="danger" @click="deleteCategory(row)"></el-button>
                </template>
            </el-table-column>
            <template #empty>
                <el-empty description="没有数据" />
            </template>
        </el-table>
        <!-- 添加分类弹窗，不懂怎么做到的隐藏 -->
        <el-dialog v-model="dialogVisible" :title="title" width="30%">
            <el-form :model="categoryModel" :rules="rules" label-width="100px" style="padding-right: 30px">
                <el-form-item label="分类名称" prop="categoryName">
                    <el-input v-model="categoryModel.categoryName" minlength="1" maxlength="10"></el-input>
                </el-form-item>
                <el-form-item label="分类别名" prop="categoryAlias">
                    <el-input v-model="categoryModel.categoryAlias" minlength="1" maxlength="15"></el-input>
                </el-form-item>
            </el-form>
            <template #footer>
                <span class="dialog-footer"><!--@click中的是一段js代码-->
                    <el-button @click="dialogVisible = false">取消</el-button>
                    <el-button type="primary" @click="title==='添加分类'?addCategory():updateCategory()"> 确认 </el-button>
                </span>
            </template>
        </el-dialog>
    </el-card>
</template>

<style lang="scss" scoped>
.page-container {
    min-height: 100%;
    box-sizing: border-box;

    .header {
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
}
</style>